Ametek BrookField TC Series Operator's Manual page 46

Legend:
ssss Set point (multiplied by 10)
tttt Temperature (multiplied by 10)
mmmm Ramp time in minutes and tenths of minutes (multiplied by 10)
u Temperature units digit (F or C)
xxxxxx Controller ID (TC-501 for all models)
z Controller status (1 or 2)
Controller Status [z}:
1 Controller ON, in RUN mode
2 Controller OFF, in STANDBY mode
3 No probe connected to controller
5 Temperature reading is above or below allowable limits
6 Temperature input values outside the allowable limits
110-512 BEL/EN 45